The New England Patriots won the Super Bowl in 2001, 2003 and 2004. The Boston Celtics won the NBA Finals in 2007-2008. And the Boston Red Sox won the World Series in 2004 and 2007. The Boston Bruins account for the last championship, winning the Stanley Cup in 2010-2011. less

7 titles, 47 contested (NFL, NBA, MLB, NHL)

The New England Patriots won the Super Bowl in 2001, 2003 and 2004. The Boston Celtics won the NBA Finals in 2007-2008. And the Boston Red Sox won the World Series in ... more